def main(): gr.enable_realtime_scheduling() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") (options, args) = parser.parse_args () d = {'verbose': True, 'samples_per_symbol': 2, 'usrpx': None, 'excess_bw': 0.34999999999999998, 'fusb_block_size': 0, 'log': False, 'costas_alpha': 0.14999999999999999, 'bitrate': 100000.0, 'decim': DECIM, 'omega_relative_limit': 0.0050000000000000001, 'fusb_nblocks': 0, 'which': 0, 'rx_subdev_spec': None, 'freq_error': 0.0, 'lo_offset': None, 'modulation': 'gmsk', 'gain_mu': None, 'interface': 'eth0', 'freq': None, 'rx_freq': 2.475e9, 'rx_gain': RXGAIN, 'tx_freq': 2440000000.0, 'mu': 0.5, 'mac_addr': '', 'show_rx_gain_range': True, 'gray_code': True, 'tx_subdev_spec' : None, 'tx_gain' : None, 'show_tx_gain_range': False} for i, j in d.items(): setattr(options, i, j) u = usrp_options.create_usrp_source(options) adc_rate = u.adc_rate() if options.verbose: print 'USRP Source:', u (_bitrate, _samples_per_symbol, _decim) = \ pick_rx_bitrate(options.bitrate, 2, \ options.samples_per_symbol, options.decim, adc_rate, \ u.get_decim_rates()) u.set_decim(_decim) if not u.set_center_freq(options.rx_freq): print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.rx_freq)) raise ValueError, eng_notation.num_to_str(options.rx_freq) tb = gr.top_block() dst = gr.vector_sink_s () dump = gr.file_sink(gr.sizeof_gr_complex, 'packet.dat') tb.connect(u, dump) tb.run()
def _setup_usrp_source(self, options): self.u = usrp_options.create_usrp_source(options) adc_rate = self.u.adc_rate() self.u.set_decim(self._decim) (self._bitrate, self._samples_per_symbol, self._decim) = \ pick_rx_bitrate(self._bitrate, self._demod_class.bits_per_symbol(), \ self._samples_per_symbol, self._decim, adc_rate, \ self.u.get_decim_rates()) self.u.set_decim(self._decim) self.set_auto_tr(True) # enable Auto Transmit/Receive switching
def _setup_usrp_source(self, options): self.u = usrp_options.create_usrp_source(options) adc_rate = self.u.adc_rate() if options.verbose: print 'USRP Source:', self.u (self._bitrate, self._samples_per_symbol, self._decim) = \ pick_rx_bitrate(options.bitrate, self._demod_class.bits_per_symbol(), \ options.samples_per_symbol, options.decim, adc_rate, \ self.u.get_decim_rates()) self.u.set_decim(self._decim) if not self.u.set_center_freq(options.rx_freq): print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.rx_freq)) raise ValueError, eng_notation.num_to_str(options.rx_freq)
def _setup_usrp_source(self, options): self.u = usrp_options.create_usrp_source(options) adc_rate = self.u.adc_rate() if options.verbose: print 'USRP Source:', self.u (self._bitrate, self._samples_per_symbol, self._decim) = \ pick_rx_bitrate(options.bitrate, self._demod_class.bits_per_symbol(), \ options.samples_per_symbol, options.decim, adc_rate, \ self.u.get_decim_rates()) self.u.set_decim(self._decim) if not self.u.set_center_freq(options.rx_freq): print "Failed to set Rx frequency to %s" % ( eng_notation.num_to_str(options.rx_freq)) raise ValueError, eng_notation.num_to_str(options.rx_freq)
def _setup_usrp_source(self): self.u = usrp.source_c (fusb_block_size=self._fusb_block_size, fusb_nblocks=self._fusb_nblocks) adc_rate = self.u.adc_rate() # derive values of bitrate, samples_per_symbol, and decim from desired info (self._bitrate, self._samples_per_symbol, self._decim) = \ pick_rx_bitrate(self._bitrate, self._demod_class.bits_per_symbol(), \ self._samples_per_symbol, self._decim, adc_rate) self.u.set_decim_rate(self._decim) # determine the daughterboard subdevice we're using if self._rx_subdev_spec is None: self._rx_subdev_spec = usrp.pick_rx_subdevice(self.u) self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec) self.u.set_mux(usrp.determine_rx_mux_value(self.u, self._rx_subdev_spec))
def _setup_usrp_source(self): self.u = usrp.source_c(self._which, fusb_block_size=self._fusb_block_size, fusb_nblocks=self._fusb_nblocks) adc_rate = self.u.adc_rate() # derive values of bitrate, samples_per_symbol, and decim from desired info (self._bitrate, self._samples_per_symbol, self._decim) = \ pick_rx_bitrate(self._bitrate, self._demod_class.bits_per_symbol(), \ self._samples_per_symbol, self._decim, adc_rate) self.u.set_decim_rate(self._decim) # determine the daughterboard subdevice we're using if self._rx_subdev_spec is None: self._rx_subdev_spec = usrp.pick_rx_subdevice(self.u) self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec) self.u.set_mux( usrp.determine_rx_mux_value(self.u, self._rx_subdev_spec))